Fitbit Sense Smartwatch for Heart Health, Stress Management & Skin Temperature - Carbon/Graphite, One Size

About this item

• Use Google Assistant or here Alexa Built-in to get quick news, set bedtime reminders and alarms, control your smart home devices and more just by speaking to your watch
• An on-wrist skin temperature sensor tracks yours each night so you can see how it varies. You can also see your nightly blood oxygen levels at a glance with our collection of clock faces.Maximum operating altitude: 28,000ft
• Use built-in GPS during runs, hikes, rides and more to see pace & distance without your phone and use the built-in mic and speaker to take Bluetooth calls hands-free when your phone is nearby (Requires more frequent charging)
• Battery lasts 6 plus days plus, fast charging gives you a full day’s charge in just 12 minutes (Varies with use and other factors; up to 12 hours with continuous GPS)
• EDA Scan app detects electrodermal activity which may indicate your body's response to stress and a built-in skin temperature sensor logs yours each night so you can see when it varies.Band Size : Small : Fits wrist 140mm - 180mm in circumference. Large : Fits wrist 180mm - 220mm in circumference
• Check your heart for atrial fibrillation, a type of irregular heart rhythm, and conveniently send the findings to your physician. The Fitbit ECG app is restricted to certain locations, and is not recommended for individuals under 22 years of age. Functional in temperatures ranging from 14 to 113°F.
• High & low heart rate notifications alert you if yours seems above or below your average